Home / 12,139,077.25-18,207,041.24-5,753,387.17

Finding the Fourth Proportional to 12,139,077.25, 18,207,041.24 and 5,753,387.17

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Solution

The fourth proportional to 12,139,077.25, 18,207,041.24 and 5,753,387.17 is: 8,629,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,139,077.25 : 18,207,041.24 = 5,753,387.17 : x
  2. Step 2: Convert to fraction form
    12,139,077.25/18,207,041.24 = 5,753,387.17/x
  3. Step 3: Cross multiply
    12,139,077.25x = 18,207,041.24 × 5,753,387.17
  4. Step 4: Simplify right side
    12,139,077.25x = 104,752,157,478,656.36
  5. Step 5: Solve for x
    x = 104,752,157,478,656.36/12,139,077.25
  6. Step 6: Final answer
    x = 8,629,334.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.